Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: knife edge  nIf ej
  1. The sharp cutting side of the blade of a knife
    - cutting edge
Noun: knife-edge  nIf ej
  1. A narrow boundary
    "he lived on a knife-edge between genius and insanity"

Derived forms: knife edges, knife-edges

Type of: bound, boundary, edge, limit

Part of: blade, edge tool

Encyclopedia: Knife-edge